Grammatizität; Grammaticalness ; Cross-linguistic influence (psycholing.) ; Language loss (biling.) ; Attrition (biling.) ; Language attrition (biling.) ; Transfer (second language acquisition) ; Transfer (Zweitspracherwerb) ; Cross-linguistic influence (second language acquisition) ; Interference (second language acquisition) ; Processability theory; Language comprehension (second language acquisition) ; Interference (synt.) ; Infinitive constructions ; German ; Holländisch; Dutch